From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
The image depicts a tiled seamless pattern.The tile represents four leaves aligned every 90 ° , which may look like a bird or a dragon .The original leaf design is from a Japanese old book.
Source Yamachem
Prismatic Snowflakes Pattern No Background
Source GDJ
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Geometric Pattern Background 2 No Black
Source GDJ
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
This tiled background comes in red and consists of tiles that look like gemstones. It is more for blogs or social profiles, I think.
Source V. Hartikainen
A seamless textured paper for backgrounds. Colored in pale orange hues.
Source V. Hartikainen
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
ZeroCC tileable wood boards texture, photographed and made by me. CC0
Source Sojan Janso
This one is so simple, yet so good. And you know it. Has to be in the collection.
Source Gluszczenko
You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Fix and cc0 to get the tile this is based on.
Source SliverKnight